/* ============================================================
   Attendance Page — Kiosk / Mobile Styles
   ============================================================ */

:root {
    --primary:    #2563eb;
    --success:    #10b981;
    --danger:     #ef4444;
    --warning:    #f59e0b;
    --dark:       #0f172a;
    --card-bg:    rgba(255,255,255,0.08);
    --card-border:rgba(255,255,255,0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f2044 100%);
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

/* ── Header ─────────────────────────────────────────────── */
.att-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    flex-shrink: 0;
}

.att-header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.att-header .logo i {
    font-size: 1.4rem;
    color: var(--primary);
}

.live-clock {
    text-align: right;
}

.live-clock .time {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

.live-clock .date {
    font-size: 0.75rem;
    color: #94a3b8;
    letter-spacing: 0.5px;
}

/* ── Camera Area ─────────────────────────────────────────── */
.camera-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    width: 100%;
    max-width: 480px;
}

.camera-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--card-border);
    box-shadow: 0 0 0 8px rgba(37,99,235,0.1), 0 0 40px rgba(37,99,235,0.2);
    transition: border-color 0.4s, box-shadow 0.4s;
    background: #000;
    flex-shrink: 0;
}

@media (max-width: 400px) {
    .camera-wrapper { width: 270px; height: 270px; }
}

.camera-wrapper.detected {
    border-color: var(--warning);
    box-shadow: 0 0 0 8px rgba(245,158,11,0.15), 0 0 40px rgba(245,158,11,0.3);
}

.camera-wrapper.matched {
    border-color: var(--success);
    box-shadow: 0 0 0 8px rgba(16,185,129,0.2), 0 0 60px rgba(16,185,129,0.4);
}

.camera-wrapper.unknown {
    border-color: var(--danger);
    box-shadow: 0 0 0 8px rgba(239,68,68,0.15), 0 0 40px rgba(239,68,68,0.3);
}

#video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* mirror */
}

#overlay-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    transform: scaleX(-1);
}

/* Ring animation */
.camera-wrapper::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    animation: spin 3s linear infinite;
    pointer-events: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Status Label ────────────────────────────────────────── */
.status-label {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #94a3b8;
    letter-spacing: 0.5px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #94a3b8;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

.status-dot.active   { background: var(--success); }
.status-dot.warning  { background: var(--warning); }
.status-dot.danger   { background: var(--danger); }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ── Scan Result Overlay (full-screen) ───────────────────── */
.scan-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scan-overlay.scan-hidden {
    opacity: 0;
    pointer-events: none;
}

/* Colour themes per action */
.scan-overlay.scan-in      { background: linear-gradient(160deg, #064e3b 0%, #065f46 40%, #0f172a 100%); }
.scan-overlay.scan-out     { background: linear-gradient(160deg, #1e3a8a 0%, #1d4ed8 40%, #0f172a 100%); }
.scan-overlay.scan-done    { background: linear-gradient(160deg, #78350f 0%, #92400e 40%, #0f172a 100%); }
.scan-overlay.scan-unknown { background: linear-gradient(160deg, #7f1d1d 0%, #991b1b 40%, #0f172a 100%); }

.scan-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    flex: 1;
    justify-content: center;
}

.scan-photo-wrap {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 0 8px rgba(255,255,255,0.07), 0 8px 40px rgba(0,0,0,0.5);
    flex-shrink: 0;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-icon-fa {
    font-size: 3.5rem;
    color: rgba(255,255,255,0.5);
}

.scan-badge {
    font-size: 0.9rem;
    font-weight: 700;
    padding: 6px 22px;
    border-radius: 50px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
}

.scan-in      .scan-badge { background: rgba(16,185,129,0.25); border-color: #10b981; color: #6ee7b7; }
.scan-out     .scan-badge { background: rgba(59,130,246,0.25); border-color: #3b82f6; color: #93c5fd; }
.scan-done    .scan-badge { background: rgba(245,158,11,0.25); border-color: #f59e0b; color: #fcd34d; }
.scan-unknown .scan-badge { background: rgba(239,68,68,0.25);  border-color: #ef4444; color: #fca5a5; }

.scan-name {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    text-align: center;
    text-shadow: 0 2px 12px rgba(0,0,0,0.4);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

/* Hide name / badge slots when empty — no blank gaps */
.scan-name:empty,
.scan-badge:empty { display: none; }

.scan-time {
    font-size: 1.25rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

.scan-msg {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    text-align: center;
}

.scan-hint {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
    margin-top: 8px;
}

.scan-tap-hint {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.28);
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.scan-timer-wrap {
    width: 100%;
    max-width: 420px;
    height: 4px;
    background: rgba(255,255,255,0.12);
    border-radius: 2px;
    overflow: hidden;
}

.scan-timer-bar {
    height: 100%;
    width: 100%;
    background: rgba(255,255,255,0.55);
    border-radius: 2px;
    /* width transition is set dynamically by JS */
}

/* ── Loading Overlay ─────────────────────────────────────── */
#loading-overlay {
    position: fixed;
    inset: 0;
    background: #0f172a;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    gap: 16px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

#loading-text {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Cooldown bar removed — replaced by scan-overlay timer bar above */

/* ── Admin Link ──────────────────────────────────────────── */
.att-footer {
    padding: 12px 16px;
    text-align: center;
    width: 100%;
}

.att-footer a {
    color: #475569;
    font-size: 0.75rem;
    text-decoration: none;
    transition: color 0.2s;
}

.att-footer a:hover { color: #94a3b8; }

/* ── Tips ────────────────────────────────────────────────── */
.tips-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 5px 12px;
    font-size: 0.73rem;
    color: #64748b;
    margin-top: 12px;
}

/* ── Utility ─────────────────────────────────────────────── */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-warning { color: var(--warning) !important; }